Investigation of the use of a recycle stream to mediate hydrogen transfer to improve the conversion of eastern oil shale to liquid products

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The processing of eastern oil shale has long been known to require the addition of hydrogen to increase the oil yield. Several researchers, have investigated the use of both high pressure hydrogen and hydrogen donor solvents. Much of the donor solvent work has used pure,compounds such as tetralin and has not addressed the use of-a more realistic solvent such as one derived from the production process itself. The work reported herein is for the research Task 1.2.2, Process Studies, in the Annual Project Plan, October l, 1990--September 30, 1991, of the Cooperative Agreement. In the study, a shale oil-derived, recycle … continued below

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42 p.

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Barbour, F. A.; Guffey, F. D.; Thomas, K. P. & Blake, R. F. June 1, 1944.

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  • Western Research Institute
    Publisher Info: Western Research Inst., Laramie, WY (United States)
    Place of Publication: Laramie, Wyoming

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The processing of eastern oil shale has long been known to require the addition of hydrogen to increase the oil yield. Several researchers, have investigated the use of both high pressure hydrogen and hydrogen donor solvents. Much of the donor solvent work has used pure,compounds such as tetralin and has not addressed the use of-a more realistic solvent such as one derived from the production process itself. The work reported herein is for the research Task 1.2.2, Process Studies, in the Annual Project Plan, October l, 1990--September 30, 1991, of the Cooperative Agreement. In the study, a shale oil-derived, recycle oil was used to mediate the transfer of hydrogen to eastern oil shale. The work was divided into two main parts which correspond to the two main portions of the Hydrogen-Extraction (H-E{trademark}) process: (1) the shale oil extraction which involves the use of a donor solvent to aid in the extraction of the shale oil and (2) the regeneration of the donor solvent to a hydrogen-rich state ready for recycle. The results of the investigation to evaluate shale oil extraction using a shale oil-derived donor solvent suggest that temperature had the, greatest effort on organic conversion. At a temperature of 425{degrees}C (197{degrees}F), a yield of 130% of Fischer assay was obtained using tetralin as a donor solvent. At the same temperature, only 110% of Fischer assay could be obtained using a middle distillate as a donor solvent.

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42 p.

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OSTI as DE94012264; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov

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  • Other Information: PBD: Jun 1944

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  • June 1, 1944

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  • Nov. 28, 2018, 2:33 p.m.

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Barbour, F. A.; Guffey, F. D.; Thomas, K. P. & Blake, R. F. Investigation of the use of a recycle stream to mediate hydrogen transfer to improve the conversion of eastern oil shale to liquid products, report, June 1, 1944; Laramie, Wyoming. (https://digital.library.unt.edu/ark:/67531/metadc1339709/: accessed June 14, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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